Product Name: SD 50-500 Spring tester
SD Series digital spring tester, is a special instrument widely used in such industries, push& pull test, the spring extension/compression test, and so on fields for testing push /pull, extension/compression in a allowed capacity
Peak holding and auto-releasing function: Catching and holding the peak value in test, showing it on display for 1-10 seconds, then releasing the value and being ready for the next peak;

Comparing function: Initial input of the tolerance limit(Max/Min)enables the device to judge the measured result as Go(Green pilot lamp)/NG(Red pilot lamp);

Automatic power off function: Power off time(1-60minutes) can be set by yourself;

Memory function: Memory 10 testing data, and calculate the average;

RS-232C output: The output provides communication connector;

Inside printer: Printing 10 groups of tested data, the max and min value, the average value, the eligible and unqualified value.